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BaseRepresentation
bin1100100111000111…
…0100110100110101
322201221000010200002
43021301310310311
523413113004340
61315530201045
7146614264241
oct31161646465
98657003602
103385281845
1114879a33a0
127a5883185
1341c47186a
14241859421
1514c2eb715
hexc9c74d35

3385281845 has 8 divisors (see below), whose sum is σ = 4431641760. Its totient is φ = 2462023120.

The previous prime is 3385281839. The next prime is 3385281857. The reversal of 3385281845 is 5481825833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3385281845 - 214 = 3385265461 is a prime.

It is a super-2 number, since 2×33852818452 = 22920266340173208050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3385281845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30775235 + ... + 30775344.

It is an arithmetic number, because the mean of its divisors is an integer number (553955220).

Almost surely, 23385281845 is an apocalyptic number.

It is an amenable number.

3385281845 is a deficient number, since it is larger than the sum of its proper divisors (1046359915).

3385281845 is a wasteful number, since it uses less digits than its factorization.

3385281845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61550595.

The product of its digits is 921600, while the sum is 47.

The square root of 3385281845 is about 58183.1749305587. The cubic root of 3385281845 is about 1501.5216920764.

The spelling of 3385281845 in words is "three billion, three hundred eighty-five million, two hundred eighty-one thousand, eight hundred forty-five".